Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1880 - 1903 1904 - 1938 1939 - 1945 1946 - 2001 2002 - 2008 grandfather mountain English
1880 - 1967 1968 - 1999 2000 2001 - 2005 2006 - 2008 cold mountain English

Run your own experiment! Raw data is available for download here.
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